1. plural of flask: containers with narrow necks used for holding liquids

Examples

• The laboratory shelves were lined with glass flasks containing various chemicals.
• Hikers carried metal flasks filled with water on their journey.
• The scientist heated the solution in several flasks over Bunsen burners.
• She packed two thermos flasks with hot coffee for the camping trip.
• The chemistry students carefully cleaned their flasks after each experiment.
• Hip flasks were popular accessories among gentlemen in the early 1900s.